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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Troubleshooting</TITLE
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailTITLE="BIND 9 Administrator Reference Manual"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailTITLE="BIND 9 Security Considerations"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailTITLE="Appendices"
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailSUMMARY="Header navigation table"
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>BIND 9 Administrator Reference Manual</TH
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailVALIGN="bottom"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailVALIGN="bottom"
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="chapter"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Chapter 8. Troubleshooting</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Table of Contents</B
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Common Problems</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Incrementing and Changing the Serial Number</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Where Can I Get Help?</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>8.1. Common Problems</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>8.1.1. It's not working; how can I figure out what's wrong?</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>The best solution to solving installation and
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail configuration issues is to take preventative measures by setting
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail up logging files beforehand. The log files provide a
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail source of hints and information that can be used to figure out
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail what went wrong and how to fix the problem.</P
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>8.2. Incrementing and Changing the Serial Number</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Zone serial numbers are just numbers-they aren't date
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail related. A lot of people set them to a number that represents a
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail date, usually of the form YYYYMMDDRR. A number of people have been
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail testing these numbers for Y2K compliance and have set the number
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail to the year 2000 to see if it will work. They then try to restore
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail the old serial number. This will cause problems because serial
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail numbers are used to indicate that a zone has been updated. If the
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail serial number on the slave server is lower than the serial number
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail on the master, the slave server will attempt to update its copy of
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Setting the serial number to a lower number on the master
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail server than the slave server means that the slave will not perform
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail updates to its copy of the zone.</P
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>The solution to this is to add 2147483647 (2^31-1) to the
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail number, reload the zone and make sure all slaves have updated to
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail the new zone serial number, then reset the number to what you want
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail it to be, and reload the zone again.</P
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>8.3. Where Can I Get Help?</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>The Internet Software Consortium (<SPAN
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>) offers a wide range
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail of support and service agreements for <SPAN
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail> servers. Four
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail levels of premium support are available and each level includes
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail support for all <SPAN
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail> programs, significant discounts on products
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail and training, and a recognized priority on bug fixes and
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail non-funded feature requests. In addition, <SPAN
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail> offers a standard
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail support agreement package which includes services ranging from bug
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail fix announcements to remote support. It also includes training in
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>To discuss arrangements for support, contact
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailHREF="mailto:info@isc.org"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>info@isc.org</A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail> web page at <A
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailHREF="http://www.isc.org/services/support/"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail to read more.</P
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="NAVFOOTER"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailSUMMARY="Footer navigation table"
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6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish MoodalbailCLASS="acronym"
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail> 9 Security Considerations</TD
6e91bba0d6c6bdabbba62cefae583715a4a58e2aGirish Moodalbail>Appendices</TD